fix(web): sidebar drops a deleted project's filter with the local environment disabled

apps/web/src/localEnvironment.ts

@@ -1,3 +1,5 @@
 export function isLocalEnvironmentDisabled(): boolean {
-  return window.desktopBridge?.getLocalEnvironmentEnabled() === false;
+  return (
+    typeof window !== "undefined" && window.desktopBridge?.getLocalEnvironmentEnabled() === false
+  );
 }

apps/web/src/state/shell.test.ts

@@ -7,9 +7,9 @@ import { EMPTY_SHELL_STATE, type EnvironmentShellState } from "@t3tools/client-r
 import { EnvironmentId } from "@t3tools/contracts";
 import * as Option from "effect/Option";
 import { Atom, AtomRegistry } from "effect/reactivity";
-import { describe, expect, it } from "vite-plus/test";
+import { describe, expect, it, vi } from "vite-plus/test";
 
-import { createAllEnvironmentProjectSnapshotsReadyAtom } from "./shell";
+import { createAllEnvironmentProjectSnapshotsReadyAtom, expectsPrimaryEnvironment } from "./shell";
 
 const LOCAL = EnvironmentId.make("local");
 const REMOTE = EnvironmentId.make("remote");
@@ -135,3 +135,16 @@ describe("project snapshot readiness", () => {
     registry.dispose();
   });
 });
+
+it("expects a primary environment only on desktops with the local environment enabled", () => {
+  const desktop = (enabled: boolean) => {
+    vi.stubGlobal("window", { desktopBridge: { getLocalEnvironmentEnabled: () => enabled } });
+    try {
+      return expectsPrimaryEnvironment();
+    } finally {
+      vi.unstubAllGlobals();
+    }
+  };
+  expect(desktop(true)).toBe(true);
+  expect(desktop(false)).toBe(false);
+});

apps/web/src/state/shell.ts

@@ -21,6 +21,7 @@ import { AsyncResult, Atom } from "effect/reactivity";
 import { environmentCatalog } from "../connection/catalog";
 import { connectionAtomRuntime } from "../connection/runtime";
 import { isHostedStaticApp } from "../hostedPairing";
+import { isLocalEnvironmentDisabled } from "../localEnvironment";
 
 export const shellEnvironment = createShellEnvironmentAtoms(connectionAtomRuntime);
 export const environmentShell = createEnvironmentShellAtoms(connectionAtomRuntime);
@@ -123,9 +124,14 @@ export const allEnvironmentProjectSnapshotsReadyAtom =
   createAllEnvironmentProjectSnapshotsReadyAtom({
     catalogValueAtom: environmentCatalog.catalogValueAtom,
     shellStateValueAtom: environmentShell.stateValueAtom,
-    requiresPrimaryEnvironment: !isHostedStaticApp(),
+    requiresPrimaryEnvironment: expectsPrimaryEnvironment(),
   });
 
+/** Hosted clients and desktops with the local environment disabled never discover a primary. */
+export function expectsPrimaryEnvironment(): boolean {
+  return !isHostedStaticApp() && !isLocalEnvironmentDisabled();
+}
+
 export const allReachableShellsLiveAtom = Atom.make((get) => {
   const catalog = get(environmentCatalog.catalogValueAtom);
   if (!catalogIsComplete(catalog, !isHostedStaticApp())) return false;